Bar code reader adjusting device for use in industrial area, has adjustment card adjustable in reference position against detection level, where card has labels defining reference position for transmitting light rays emitted from reader

摘要

The device has an adjustment card (15) adjustable in a reference position against a detection level. The card (15) has labels defining a reference position for visible transmitting light rays emitted from a bar code reader. The labels are arranged on front and rear side of the card that includes a rectangular contour. The card overlies with an edge on a base running in the detection level, in the reference position.